package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询购物车
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param cart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    public void updateNumberById(ShoppingCart cart);

    /**
     * 将商品插入购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) values(#{name}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{image}, #{createTime})")
    void insert(ShoppingCart shoppingCart);


    /**
     * 根据用户id删除购物车所有数据
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void cleanByUserId(Long userId);

    /**
     * 根据商品信息和用户id删除该商品
     * @param id
     */
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    /**
     * 连续插入多条购物车数据
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}

